a9611c5d5b
would happen when vectors are copied and new items is added in both vectors. we didn't duplicate the underlying storage when adding items in vectors. Bug: 6515797 Change-Id: If544c07d96c05821e088d7f2c9b5736f7e306c31
76 lines
1.6 KiB
C++
76 lines
1.6 KiB
C++
/*
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* Copyright (C) 2012 The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#define LOG_TAG "Vector_test"
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#include <utils/Vector.h>
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#include <cutils/log.h>
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#include <gtest/gtest.h>
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#include <unistd.h>
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namespace android {
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class VectorTest : public testing::Test {
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protected:
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virtual void SetUp() {
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}
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virtual void TearDown() {
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}
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public:
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};
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TEST_F(VectorTest, CopyOnWrite_CopyAndAddElements) {
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Vector<int> vector;
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Vector<int> other;
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vector.setCapacity(8);
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vector.add(1);
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vector.add(2);
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vector.add(3);
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EXPECT_EQ(vector.size(), 3);
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// copy the vector
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other = vector;
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EXPECT_EQ(other.size(), 3);
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// add an element to the first vector
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vector.add(4);
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// make sure the sizes are correct
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EXPECT_EQ(vector.size(), 4);
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EXPECT_EQ(other.size(), 3);
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// add an element to the copy
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other.add(5);
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// make sure the sizes are correct
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EXPECT_EQ(vector.size(), 4);
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EXPECT_EQ(other.size(), 4);
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// make sure the content of both vectors are correct
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EXPECT_EQ(vector[3], 4);
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EXPECT_EQ(other[3], 5);
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}
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} // namespace android
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